Microsoft Exchange Online: Upcoming secure-by-default changes for Exchange APIs [MC1304287]

Microsoft Exchange Online: Upcoming secure-by-default changes for Exchange APIs [MC1304287]

Message ID: MC1304287 [Introduction]As part of the Microsoft Secure Future Initiative (SFI), and in alignment with the Secure by Default principle, we’re updating the Microsoft‑managed default user consent policy for Microsoft Graph. This change increases administrator control over third‑party application…
(Updated) Microsoft Teams: Chat with anyone with an email address [MC1182004]

(Updated) Microsoft Teams: Chat with anyone with an email address [MC1182004]

Message ID: MC1182004 (Updated) Updated May 8, 2026: We are not releasing this feature at this time. We apologize for any inconvenience this may cause.[Introduction] Teams users in tenants with open collaboration policies have long been able to start a chat…
Microsoft Entra: Upcoming changes to federatedTokenValidationPolicy default settings [MC1303719]

Microsoft Entra: Upcoming changes to federatedTokenValidationPolicy default settings [MC1303719]

Message ID: MC1303719 [Introduction]To strengthen security for federated authentication, Microsoft Entra will update the default behavior of federatedTokenValidationPolicy. This policy governs how Microsoft Entra validates federated authentication tokens and determines whether sign-ins are allowed when the internalDomainFederation does not match…
(Updated) Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B [MC1243549]

(Updated) Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B [MC1243549]

Message ID: MC1243549 (Updated) Updated May 7, 2026: We have updated the content. Thank you for your patience. [Introduction]We are retiring SharePoint One‑Time Passcode (SPO OTP) authentication in OneDrive and SharePoint starting July 2026. Beginning in May 2026, new external sharing…